# NTSB SEA74DYE48: Bell 47G, N927B, Elma, WA, June 11, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 11, 1974
- Place: Elma, WA · ELMA, WA
- Location: 47.0050° N, 123.4107° W: Placed by OpenAirDocs: center of Elma, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.0050&lon=-123.4107&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 19, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 130276
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA74DYE48
- Page: https://openairdocs.org/ntsb/SEA74DYE48

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2087  74/6/11    ELMA,WASH           BELL 47G            CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 28, 1200
        TIME - 0805                    N927B               PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ELMA,WASH                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: PISTON,PISTON RINGS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - WET,SOFT GROUND
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NR 3 PISTON HEAD MELTED THROUGH.SPARK PLUG ELECTRODE MELTED.
```

## Aircraft

- Registration: N927B (not matched to a registry record)
- Reported make and model: BELL 47G
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19740611017799A](https://openairdocs.org/incident/19740611017799A), Jun 11, 1974: Bell 47G, Elma, WA, Substantial damage. Nr 3 piston head melted through. Spark plug electrode melted.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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